The Morph Wheel sports a quick-release axle which prevents it from folding unless desired by the user 3 / 13 The wheel size is reduced from 24 inches in diameter, to 32 x 12.5 inches when folded ...

Connecticut-based Topolino Technology recently unveiled its SPEEDrelease hub, which reportedly combines the best features of quick-release and thru-axle wheel mounting systems.